• 1915


    Frank Hood purchases Bastol Company and renames it ANSUL to reflect its primary product, ANhydrous SULfur Dioxide, for the mechanical refrigeration market.

  • 1940


    Dry chemical is such a new idea, the ANSUL Fire School opens for employees and later customers in high risk industries.

  • 1946-1948


    Ansul introduces a completely redesigned line of fire extinguishers; uses its dry chemical know-how to develop new dry chemical extinguishing agents.

  • 1960-1962


    Ansul develops first automatic fire suppression systems to protect restaurant cooking equipment and mining vehicles.

  • 1961


    Using its industrial chemical experience, Ansul enters the agricultural chemical business. Becomes an important player in weed control and tobacco chemicals until 1977 when it sells most of the ag-chem business.

  • 1978


    Ansul is acquired by Wormald International, an Australian based company, and the world largest fire protection company is born.

  • 1982


    Ansul introduces R-102 wet chemical restaurant system for the protection of cooking equipment – appliances, hoods, and ductwork.

  • 1986


    Ansul enters new market introducing the SPILL-X line of products to treat hazardous spills of acids, caustics, and solvents.

  • 1988


    Ansul introduces ANSULITE 3x3, the first alcohol-resistant AFFF capable of being used on both hydrocarbon and polar solvent fuels at a 3% concentration.

  • 1989


    Ansul introduces SILV-EX agent, the first foam concentrate for “Class A” wildfires.

  • 1990


    Ansul introduces INERGEN clean-agent fire suppression systems to replace to Halon 1301. Soon after, a new SAPPHIRE clean-agent alternative is added to the ANSUL clean-agent line.

  • 1990


    Wormald International is purchased by Tyco International, Ltd. solidifying the company’s status of world’s largest fire protection company.

  • 1998


    Ansul introduces PIRANHA restaurant fire suppression system featuring the first hybrid concept using wet chemical with water follow-up.

  • 2006


    Tyco opens new ANSUL Fire Technology and Center housing the Ansul Fire School and other product training and demonstration facilities.

  • 2010


    Tyco opens the stunning 35,000 sq ft Center of Excellence in Marinette, Wisconsin, USA. Its sole focus is to research, develop and test breakthrough fire protection solutions.

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Our History